What airlines fly to Seattle?

Delta, British Airways and Lufthansa are the top three most popular airlines that fly to Seattle from Barcelona according to our data. Delta is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 4 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Barcelona to Seattle/Tacoma Intl Airport?

Prices for flights from Barcelona to Seattle/Tacoma Intl Airport were last updated today.

How many operators does momondo search for flights from Barcelona to Seattle/Tacoma Intl Airport?

As of January 2026, there are 4 operators available to choose from for flights from Barcelona to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Barcelona to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Barcelona to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$285 Cheap Flights from Barcelona to Seattle in 2026

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Find the cheapest flights from Barcelona to Seattle

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 5:00 pm

BCN

SEA

18h 00m2 stops

2:35 pm - 8:40 pm

SEA

BCN

21h 05m2 stops

$548Multiple Airlines

Fri, Jan 23 - Mon, Jan 26

5:45 am - 5:00 pm

BCN

SEA

20h 15m2 stops

2:35 pm - 12:25 am

SEA

BCN

24h 50m2 stops

$551Multiple Airlines

Wed, Feb 25 - Wed, Mar 4

10:55 am - 3:40 pm

BCN

SEA

13h 45m1 stop

5:40 pm - 4:00 pm

SEA

BCN

13h 20m1 stop

$616Condor

Sun, May 3 - Thu, May 14

12:30 pm - 10:07 pm

BCN

SEA

18h 37m1 stop

6:50 pm - 5:55 pm

SEA

BCN

14h 05m1 stop

$621British Airways

Mon, Jan 26 - Mon, Feb 9

10:40 am - 7:18 pm

BCN

SEA

17h 38m1 stop

8:35 am - 8:50 am

SEA

BCN

15h 15m1 stop

$625Finnair

Mon, Jan 26 - Mon, Feb 9

10:55 am - 3:40 pm

BCN

SEA

13h 45m1 stop

5:40 pm - 4:00 pm

SEA

BCN

13h 20m1 stop

$629Condor

Thu, May 21 - Sun, May 24

10:40 am - 9:17 pm

BCN

SEA

19h 37m1 stop

1:37 pm - 4:30 pm

SEA

BCN

17h 53m2 stops

$632British Airways

Wed, Feb 18 - Wed, Feb 25

10:40 am - 11:07 pm

BCN

SEA

21h 27m1 stop

1:37 pm - 4:30 pm

SEA

BCN

17h 53m2 stops

$634British Airways

Wed, Feb 25 - Wed, Mar 4

10:40 am - 7:18 pm

BCN

SEA

17h 38m1 stop

8:35 am - 8:50 am

SEA

BCN

15h 15m1 stop

$637Finnair

Mon, Jan 26 - Mon, Feb 9

2:00 pm - 11:03 am

BCN

SEA

30h 03m2 stops

12:50 pm - 4:20 pm

SEA

BCN

18h 30m1 stop

$638Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

Iberia flights from Barcelona to Seattle

Our best Iberia deals on Barcelona to Seattle flight tickets

Iberia

Jan 22

BCN10:40 amBarcelona-El Prat

20h 19m

1 stop

SEA9:59 pmSeattle/Tacoma Intl

Feb 4

SEA8:35 amSeattle/Tacoma Intl

15h 15m

1 stop

BCN8:50 amBarcelona-El Prat

$643

Iberia

Jan 26

BCN9:15 pmBarcelona-El Prat

21h 22m

2 stops

SEA9:37 amSeattle/Tacoma Intl

Feb 9

SEA8:35 amSeattle/Tacoma Intl

15h 15m

1 stop

BCN8:50 amBarcelona-El Prat

$658

Iberia

Jan 22

BCN10:40 amBarcelona-El Prat

22h 11m

1 stop

SEA11:51 pmSeattle/Tacoma Intl

Feb 3

SEA8:04 amSeattle/Tacoma Intl

19h 36m

2 stops

BCN12:40 pmBarcelona-El Prat

$667

American Airlines flights from Barcelona to Seattle

Our best American Airlines deals on Barcelona to Seattle flight tickets

American Airlines

Jan 22

BCN10:40 amBarcelona-El Prat

20h 19m

1 stop

SEA9:59 pmSeattle/Tacoma Intl

Feb 4

SEA8:04 amSeattle/Tacoma Intl

15h 56m

2 stops

BCN9:00 amBarcelona-El Prat

$656

American Airlines

Jan 19

BCN11:00 amBarcelona-El Prat

21h 42m

1 stop

SEA11:42 pmSeattle/Tacoma Intl

Jan 27

SEA7:35 amSeattle/Tacoma Intl

16h 15m

1 stop

BCN8:50 amBarcelona-El Prat

$657

American Airlines

Jan 25

BCN10:40 amBarcelona-El Prat

17h 38m

1 stop

SEA7:18 pmSeattle/Tacoma Intl

Jan 31

SEA6:12 amSeattle/Tacoma Intl

17h 48m

1 stop

BCN9:00 amBarcelona-El Prat

$677

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 1/23

8:00 am-5:00 pm

2 stops18h 00m

Seattle/Tacoma Intl

Mon 1/26

2:35 pm-8:40 pm

2 stops21h 05m

$548

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Wed 2/25

5:45 am-5:00 pm

2 stops20h 15m

Seattle/Tacoma Intl

Wed 3/4

2:35 pm-12:25 am

2 stops24h 50m

$551

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Sun 5/3

10:55 am-3:40 pm

1 stop13h 45m

Seattle/Tacoma Intl

Thu 5/14

5:40 pm-4:00 pm

1 stop13h 20m

$616

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Mon 1/26

12:30 pm-10:07 pm

1 stop18h 37m

Seattle/Tacoma Intl

Mon 2/9

6:50 pm-5:55 pm

1 stop14h 05m

$621

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Mon 1/26

10:40 am-7:18 pm

1 stop17h 38m

Seattle/Tacoma Intl

Mon 2/9

8:35 am-8:50 am

1 stop15h 15m

$625

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Thu 5/21

10:55 am-3:40 pm

1 stop13h 45m

Seattle/Tacoma Intl

Sun 5/24

5:40 pm-4:00 pm

1 stop13h 20m

$629

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Wed 2/18

10:40 am-9:17 pm

1 stop19h 37m

Seattle/Tacoma Intl

Wed 2/25

1:37 pm-4:30 pm

2 stops17h 53m

$632

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Wed 2/25

10:40 am-11:07 pm

1 stop21h 27m

Seattle/Tacoma Intl

Wed 3/4

1:37 pm-4:30 pm

2 stops17h 53m

$634

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Mon 1/26

10:40 am-7:18 pm

1 stop17h 38m

Seattle/Tacoma Intl

Mon 2/9

8:35 am-8:50 am

1 stop15h 15m

$637

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Tue 2/24

2:00 pm-11:03 am

2 stops30h 03m

Seattle/Tacoma Intl

Tue 3/3

12:50 pm-4:20 pm

1 stop18h 30m

$638

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Barcelona to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Barcelona to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $682. If you don’t want to visit Seattle in March, then you should wait until May to fly from Barcelona, when ticket prices are also cheap, with an average price of $729.

What is the cheapest Barcelona to Seattle/Tacoma Intl flight route?

Fly from Barcelona-El Prat to Seattle/Tacoma Intl for the best Barcelona - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Barcelona when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $854 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Barcelona for as low as $784 on momondo.

What cabin class options are available on Barcelona to Seattle/Tacoma Intl flights?

There are 2 cabin classes available to choose from on Barcelona to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Barcelona to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Barcelona to Seattle

Fastest flight time	11h 19m
Direct flights	Mon, Thu and Sat
Airports in Seattle	1 airport

The fastest flight from Barcelona to Seattle takes 11h 19m

Direct flights go from Barcelona to Seattle on Monday, Thursday and Saturday. There are no airlines offering direct flights.

There is 1 airport in Seattle. From Barcelona there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

How far is Barcelona to Seattle/Tacoma Intl by plane?
The straight-line distance from Barcelona to Seattle/Tacoma Intl is 5410.7 mi. In terms of flight time, this usually takes a little over 11h 19m.
When did momondo last update prices for flights from Barcelona to Seattle/Tacoma Intl Airport?
Prices for flights from Barcelona to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Barcelona to Seattle/Tacoma Intl Airport?
As of January 2026, there are 4 operators available to choose from for flights from Barcelona to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Barcelona to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Barcelona to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Barcelona to Seattle

Compare and see reviews for airlines that fly from Barcelona to Seattle with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $677	Free Cancellation	Rating 7.7 1,436 reviews	Search KLM flights
Lufthansa	PriceFrom $712	Free Cancellation	Rating 6.8 7,709 reviews	Search Lufthansa flights
Delta	PriceFrom $753	Free Cancellation	Rating 7.9 8,034 reviews	Search Delta flights
British Airways	PriceFrom $768	Free Cancellation	Rating 6.7 7,664 reviews	Search British Airways flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Federal Way

Cle Elum

Lakewood

Fife

Westport

Kirkland

Centralia

Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Barcelona to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Barcelona to Seattle for you.

Can I find flights from Barcelona to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Barcelona with this policy.

How can momondo help me find flights from Barcelona to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Barcelona to Seattle.

I’m not ready to book a flight from Barcelona to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Barcelona are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.